What is the Greatest Common Factor of 2720 and 2725?

Greatest common factor (GCF) of 2720 and 2725 is 5.

GCF(2720,2725) = 5

We will now calculate the prime factors of 2720 and 2725, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2720 and 2725.

How to find the GCF of 2720 and 2725?

We will first find the prime factorization of 2720 and 2725. After we will calculate the factors of 2720 and 2725 and find the biggest common factor number .

Step-1: Prime Factorization of 2720

Prime factors of 2720 are 2, 5, 17. Prime factorization of 2720 in exponential form is:

2720 = 2⁵ × 5¹ × 17¹

Step-2: Prime Factorization of 2725

Prime factors of 2725 are 5, 109. Prime factorization of 2725 in exponential form is:

2725 = 5² × 109¹

Step-3: Factors of 2720

List of positive integer factors of 2720 that divides 2720 without a remainder.

1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360

Step-4: Factors of 2725

List of positive integer factors of 2725 that divides 2720 without a remainder.

1, 5, 25, 109, 545

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2720 and 2725. The biggest common factor number is the GCF number.
So the greatest common factor 2720 and 2725 is 5.

Also check out the Least Common Multiple of 2720 and 2725